9:00 p.m. Monday Update:
The investigation continues into what destroyed three businesses in Downtown Grand Island.
G.I. Fire Chief Cory Schmidt said the State Fire Marshals Office, G.I. police and private insurance investigators remain on scene to try to figure out what started the fire. The group is set to start digging into the rubble Tuesday.
Third Street from Cleburn to Elm Streets will remain closed during the investigation. Schmidt expects it to last two to three days.
Schmidt said one firefighter suffered minor injuries while fighting Sunday's fire. He has since been released from the hospital.
7 a.m. Monday Update:
Firefighters remain on the scene in downtown Grand Island. They were assisted by around an inch of rain that fell overnight, which helped keep the fire under control.
4 a.m. Monday Update: